项目: 1.天津市自然科学基金面上项目：脉冲微分系统的解、动力学性质与应用模型研究（19JCYBJC30700）2019.4-2022.3,10万,项目负责人 2.教育部人文社会科学研究青年基金项目:风险过程中相关方程解的研究(15YJCZH204) 2016.1-2018.12, 8万,参与者 3.天津市高等学校科技发展基金计划项目:分数阶微分方程中的拓扑方法及其在物理学中的应用(20141001) 2014. 09-2017. 09，4万，项目负责人 4.国家自然科学基金面上项目:高阶和脉冲微分方程边值问题中的变分方法(11071014) 2011.1-2013.12, 28万,参与者 5.国家自然科学基金数学天元基金:巴拿赫空间微分方程中的泛函方法应用研究(11026176) 2011.1-2011.12，3万，项目负责人 6.天津市高等学校科技发展基金计划项目:脉冲微分系统中的泛函方法应用研究（20091008）2009.12-2012.12, 3万，项目负责人 7.山东省自然科学基金项目:分数阶微分方程定性理论研究(ZR2010AM035) 2011.1-2013.12，5万，参与者 论文: 发表论文20余篇，其中SCI收录论文14篇。代表性论文如下： 1. Dehong Ji * , Weigao Ge, A nonlocal boundary value problems for hybrid ϕ-Caputo fractional integro-differential equations, AIMS Mathematics, 2020, 5(6), 7175–7190. 2. Dehong Ji *, Positive Solutions of Singular Fractional Boundary Value Problem with p-Laplacian, Bull. Malays. Math. Sci. Soc. 2018, 41, 249–263. 3. Dehong Ji *, Positive solutions for four-point boundary value problem involving the p(t)-Laplacian, Qual. Theory Dyn. Syst. 2016, 15, 39-48. 4. Dehong Ji*, Weigao Ge, Positive solution for four-point nonlocal boundary value problems of fractional order, Math. Method Appl. Sci., 2014, 37, 1232-1239. 5. Dehong Ji*, Zhanbing Bai, Weigao Ge，The existence of countably many positive solutions for singular multipoint boundary value problems，Nonl. Anal., 2010,72, 955-964. 6. Dehong Ji*, Yitao Yang, Weigao Ge, Existence of positive solutions for nonlinear singular boundary value problem with p-Laplacian, Math. Method Appl. Sci., 2010, 33, 188-197. 7. Dehong Ji*, Yu Tian, Weigao Ge, Positive solutions for one-dimensional p-Laplacian boundary value problems with sign changing nonlinearity, Nonl. Anal.,2009,71, 5406-5416. 8. Dehong Ji* Weigao Ge，Existence of multiple positive solutions for Sturm–Liouville-like four-point boundary value problem with p-Laplacian, Nonl. Anal.,2008, 68, 2638-2646. 9. Dehong Ji*, Hanying Feng, Weigao Ge, The existence of symmetric positive solutions for some nonlinear equation systems, Appl. Math. Comput., 2008,197,51-59. 10. Dehong Ji*, Yitao Yang, Weigao Ge, Triple positive pseudo-symmetric solutions to a four-point boundary value problem with p-Laplacian, Appl. Math. Lett.,2008, 21,268-274. |
